Back in 1917, the U.S. military was facing a serious challenge—how do you quickly assess the intelligence and abilities of millions of recruits? Enter the Army Alpha, one of the first large-scale intelligence tests, developed by psychologist Robert Yerkes and a team of experts. This test wasn’t just about picking the smartest soldiers; it…
When you hear the word IQ test, chances are that somewhere in the background of that conversation is David Wechsler, a name that might not sound as mainstream as Freud or Pavlov but is just as important in psychology. This Romanian-American psychologist didn’t just create tests—he completely redefined how we measure intelligence, making his…
If you’ve ever heard of IQ tests, chances are you’ve come across the Stanford–Binet Intelligence Scales—one of the oldest and most well-known intelligence tests out there. But what exactly is it? How did it come about? And is it really the gold standard for measuring intelligence?Buckle up, because we’re about to take a deep…
